
#include<stdio.h>
using namespace std;
int main()
{
    	int i;
    	int count=0;
    	int number;
    	char temp;
    	char s[50]="";
    	gets(s);
    	for(i=0;s[i]!='\0';i++)
        	{
            		if(s[i]>='a'&&s[i]<='z')
                		    s[i]=(s[i]-2-'a'+'z'-'a')%26+'a';
                		if(s[i]>='A'&&s[i]<='Z')
                    		    s[i]=(s[i]-2-'A'+'Z'-'A')%26+'A';
                    	count++;
            	}
        number=count;
    	for(i=0;i<count/2;i++)
        	{
            	    temp=s[i];
            		s[i]=s[count-1-i];
            		s[count-1-i]=temp;
            	}
    	for(i=0;i<number;i++)
        	{
            		if(s[i]>='a'&&s[i]<='z')
                		{
                    			    s[i]=s[i]-32;
                    		}
            		else if(s[i]>='A'&&s[i]<='Z')
                		    s[i]=s[i]+32;
                    }
    	puts(s);
    	return 0;
    }
